Home / 18,568,156.54-27,819,283.98-7,761,635.50

Finding the Fourth Proportional to 18,568,156.54, 27,819,283.98 and 7,761,635.50

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Solution

The fourth proportional to 18,568,156.54, 27,819,283.98 and 7,761,635.50 is: 11,628,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568,156.54 : 27,819,283.98 = 7,761,635.50 : x
  2. Step 2: Convert to fraction form
    18,568,156.54/27,819,283.98 = 7,761,635.50/x
  3. Step 3: Cross multiply
    18,568,156.54x = 27,819,283.98 × 7,761,635.50
  4. Step 4: Simplify right side
    18,568,156.54x = 215,923,142,123,749.28
  5. Step 5: Solve for x
    x = 215,923,142,123,749.28/18,568,156.54
  6. Step 6: Final answer
    x = 11,628,679.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.